>> it's actually as totally revolutionized political communication. we saw it both in the success of the obama campaign in the fund raising arena and seen it in the ability of people to galvanize around a particular issue. that's what's so important about all of these things, the twitter and facebook. we use it extensively and it's a huge force. >> congressman yarmuth, thanks so much for taking the time. >> thank you, chris. >> as we watch gabby giffords continuing to come in. there is this level of emotion here. and really newtown took it to a level i don't think we've seen before. the parents have a piece in the "washington post," our country needs a new dialogue, one that doesn't follow the tired script of political squabbling. any improvement of our laws should not be decried as an attempt to take away rights. even those who lost the most are suggesting no such thing. >> do we need to see gabby giffords coming in and reminder of these 20 kids? >> apparently we do. there is a strong gun lobby and they oppose these things strongly. >> are they as st